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18740082 = 233479001
BaseRepresentation
bin100011101111…
…1001101110010
31022021002120010
41013133031302
514244140312
61505355350
7315200544
oct107371562
938232503
1018740082
11a63a779
126338b56
133b61b0a
1426bb694
1519a293c
hex11df372

18740082 has 16 divisors (see below), whose sum is σ = 37592352. Its totient is φ = 6228000.

The previous prime is 18740081. The next prime is 18740083. The reversal of 18740082 is 28004781.

It is an interprime number because it is at equal distance from previous prime (18740081) and next prime (18740083).

It is not an unprimeable number, because it can be changed into a prime (18740081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2419 + ... + 6582.

It is an arithmetic number, because the mean of its divisors is an integer number (2349522).

Almost surely, 218740082 is an apocalyptic number.

18740082 is an abundant number, since it is smaller than the sum of its proper divisors (18852270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18740082 is a wasteful number, since it uses less digits than its factorization.

18740082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9353.

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 18740082 is about 4328.9816354427. The cubic root of 18740082 is about 265.6177920443.

The spelling of 18740082 in words is "eighteen million, seven hundred forty thousand, eighty-two".

Divisors: 1 2 3 6 347 694 1041 2082 9001 18002 27003 54006 3123347 6246694 9370041 18740082